Crankshaft Position Sensor - Genuine BMW - E30 M3 & E24 635CSi

This part is listed by BMW as BMW part number 12521287784 (12-52-1-287-784) and is described as Genuine BMW CPS (Crankshaft Position Sensor) for S14 and M30 engines on E30 M3 (1988, 1989, 1990, 1991) and E24 635CSi (1985, 1986, 1987, 1988, 1989).

We also carry the “Pulse Generator” that is often bought in conjunction with a new CPS. Please see below for BimmerWorld recommended related items.

For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.